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A Project of The Annenberg Public Policy Center

Flu Vaccine Ingredients Are Safe, Contrary to a Misleading Meme

Flu Vaccine Ingredients Are Safe, Contrary to a Misleading Meme

Influenza vaccines contain small amounts of various ingredients that allow them to work and keep them safe and long-lasting. A misleading meme suggestively lists more than two dozen substances it claims are in flu vaccines. But most are not present — and the ones that are aren’t dangerous.

Flu Shots, MMR Vaccines Have Saved Millions of Lives, Contrary to Online Claim

Flu Shots, MMR Vaccines Have Saved Millions of Lives, Contrary to Online Claim

Flu shots and vaccines that protect children against measles, mumps and rubella have been effective in preventing illness, serious disease and death. But a meme has been circulating with the false suggestion that those vaccines are ineffective. Actually, they’ve saved millions of lives and have eliminated both measles and rubella in the U.S.

No Evidence Flu Vaccine Increases Strep A Infections, Contrary to Online Claims

No Evidence Flu Vaccine Increases Strep A Infections, Contrary to Online Claims

Several European countries have reported an early spike of group A strep infections, mostly among children, including cases of rare but deadly bacterial infections. There is no evidence the increase is being caused by nasal spray flu vaccines, as social media posts baselessly suggest. Flu vaccination may even indirectly prevent strep A.

Flu Shot Doesn’t Cause False Positive Results for COVID-19

Flu Shot Doesn’t Cause False Positive Results for COVID-19

A viral claim on Facebook erroneously tells users that “you will test positive” for COVID-19 if “you’ve gotten flu shots during the past ten years.” Vaccine and infectious disease experts told us that’s false, and the Food and Drug Administration says this hasn’t been observed in any authorized tests.

Trump’s Flu Shot Reticence

Trump’s Flu Shot Reticence

President Donald Trump cast doubt on the value of influenza vaccines, saying he only got a flu shot because he was required to as president. “I don’t know if I should have. Who knows?” But the Centers for Disease Control and Prevention says each year the vaccine saves thousands of lives and prevents tens of thousands of hospitalizations.

No Evidence That Flu Shot Increases Risk of COVID-19

No Evidence That Flu Shot Increases Risk of COVID-19

A claim being pushed on social media and by an organization skeptical of vaccines is using a military study to falsely suggest that the flu vaccine increases someone’s risk of contracting COVID-19.

Instagram Post Falsely Links Flu Vaccine to Polio

Instagram Post Falsely Links Flu Vaccine to Polio

A popular Instagram post falsely claims “over 1,100 people died from reactions to the [flu] shot” in 2018, and suggests that the immunization gave some children polio. The flu vaccine cannot give anyone polio and there is no evidence to support the 1,100 figure.